AuroraMiddleware/flac
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

revert to original FLAC__fixed_compute_residual()

Browse Source
This commit is contained in:
Josh Coalson 2001-05-16 19:24:59 +00:00
parent 376807d911
commit 0c0fed693c
1 changed files with 0 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/libFLAC/fixed.c
View File

@ -154,7 +154,6 @@ void FLAC__fixed_compute_residual(const int32 data[], unsigned data_len, unsigne
{ {
unsigned i; unsigned i;
#if 0
switch(order) { switch(order) {
case 0: case 0:
for(i = 0; i < data_len; i++) { for(i = 0; i < data_len; i++) {
@ -187,32 +186,6 @@ void FLAC__fixed_compute_residual(const int32 data[], unsigned data_len, unsigne
default: default:
assert(0); assert(0);
} }
#else
switch(order) {
case 0:
for(i = 0; i < data_len; i++)
residual[i] = data[i];
break;
case 1:
for(i = 0; i < data_len; i++)
residual[i] = data[i] - data[i-1];
break;
case 2:
for(i = 0; i < data_len; i++)
residual[i] = data[i] - 2*data[i-1] + data[i-2];
break;
case 3:
for(i = 0; i < data_len; i++)
residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3];
break;
case 4:
for(i = 0; i < data_len; i++)
residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4];
break;
default:
assert(0);
}
#endif
} }
void FLAC__fixed_restore_signal(const int32 residual[], unsigned data_len, unsigned order, int32 data[]) void FLAC__fixed_restore_signal(const int32 residual[], unsigned data_len, unsigned order, int32 data[])